同居男友告知女友小孟要搬回家和母親住,失魂落魄的小孟遇上許久未見的前男友,掀起塵封的往事,激起她想盡辦法,試圖找出愛情是否依然存在的證據。
When her boyfriend leaves to live with his mother, heartbroken Xiao Meng runs into an old flame. The encounter awakens buried memories, driving her to prove, against all odds, that love still exists.